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NTIS 바로가기시설원예ㆍ식물공장 = Protected horticulture and plant factory, v.27 no.4, 2018년, pp.415 - 423
조정수 (전북대학교 원예학과) , 이준구 (전북대학교 원예학과)
The aim of this study was to evaluate the individual glucosinolate (GSL), total phenol, total flavonoid, and vitamin C content, and antioxidant activity under various light quality condition, mainly focusing on red (R) to far-red (FR) light ratios in three Brassica sprouts (radish, Chinese cabbage, ...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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식물공장이란? | 식물공장은 기후에 영향을 받지 않고 시설 내에서 빛, 온도, 이산화탄소, 양분 및 습도와 같은 환경요인을 인위적으로 통제하여 작물을 계획 생산할 수 있는 농업시스템이다(Heo 등, 2013; Kozai, 2013). 인공광 이용형 식물공장은 형광등, LED 및 고압 나트륨 램프와 같은 인공광원을 이용하거나 태양광의 보조 광원으로서 설치 이용하는 작물 재배 시스템이다(wheeler, 2008). | |
인공광 이용형 식물공장에 사용되는 광원은? | 식물공장은 기후에 영향을 받지 않고 시설 내에서 빛, 온도, 이산화탄소, 양분 및 습도와 같은 환경요인을 인위적으로 통제하여 작물을 계획 생산할 수 있는 농업시스템이다(Heo 등, 2013; Kozai, 2013). 인공광 이용형 식물공장은 형광등, LED 및 고압 나트륨 램프와 같은 인공광원을 이용하거나 태양광의 보조 광원으로서 설치 이용하는 작물 재배 시스템이다(wheeler, 2008). 식물재배용 인공광원 중 발광다이오드(Light Emitting Diode, LED)는 외부 환경 조건에 관계없이 주년 생산이 가능한 밀폐형 식물공장의 인공광원으로 주로 사용되고 있다(Son와 Oh, 2013). | |
다양한 LED 광질에 따라 식물에 미치는 효과는? | 광질에 따른 식물생장 및 2차대사산물 축적에 미치는 영향에 관한 연구는 다수 수행되었다. 적색광은 다양한 식물의 성장에 효과적이며(Johkan 등, 2010; Nishimura 등, 2009), 청색광의 경우 안토시아닌함량의 증가에 효과적이고(Giliberto 등, 2005), 또한 케일의 새싹에서 glucoraphanin, 총 phenolic, 안토시아닌함량 및 항산화활성을 증가시킨다고 보고하였고(Qian 등., 2016), UV-A 역시 상추에서 안토시아닌 축적을 유도한다(Tsormpatsidis 등, 2008). 밀폐형 식물공장에서 R/FR 비율에 따라 상추의 생육 및 다양한 생체활성화합물이 증가 하였다고 보고하였다(Lee 등, 2016; Lee 등, 2015). |
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